685
FNUS56 KSGX 172006
FWFSGX
FIRE WEATHER PLANNING FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
106 PM PDT MON AUG 17 2026
DISCUSSION
A SLOW WARMING TREND WILL DEVELOP THROUGH THURSDAY WHEN HIGHS WILL
BE GENERALLY 3 TO 7 DEGREES ABOVE NORMAL, FOLLOWED BY A DEGREE OR
TWO OF COOLING EACH DAY THROUGH NEXT WEEKEND. DRY WEATHER WILL
PREVAIL THROUGH AT LEAST WEDNESDAY. THERE IS A 10-15% CHANCE OF
SHOWERS OVER THE MOUNTAINS ON THURSDAY AFTERNOON, INCREASING TO A
15-20% CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE MOUNTAINS AND
ADJACENT DESERTS EACH AFTERNOON FOR FRIDAY THROUGH THE WEEKEND.
CAZ552-181015-
ORANGE COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....65 TO 70.
24 HR TREND......UP 4 DEGREES.
MAX HUMIDITY........85 TO 95 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 11 MPH. GUSTS TO 20 MPH IN THE
EVENING.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....76 TO 86.
24 HR TREND......UP 2 DEGREES.
MIN HUMIDITY........50 TO 60 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 10 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....65 TO 70.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85 TO 95 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST 6 TO 10 MPH IN THE EVENING BECOMING
VARIABLE 3 TO 6 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....77 TO 87.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........55 TO 65 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 5 MPH BECOMING SOUTHWEST 6 TO 9
MPH IN THE AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
THURSDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. HIGHS
AROUND 80. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80.
CAZ554-181015-
ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,
ORANGE, FULLERTON, AND MISSION VIEJO
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....63 TO 69.
24 HR TREND......UP 5 DEGREES.
MAX HUMIDITY........80 TO 90 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 8 MPH IN THE EVENING BECOMING
VARIABLE 2 TO 5 MPH.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....84 TO 91.
24 HR TREND......UP 2 DEGREES.
MIN HUMIDITY........40 TO 50 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........VARIABLE 2 TO 5 MPH BECOMING SOUTHWEST AROUND 6
MPH IN THE AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....64 TO 69.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........80 TO 90 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS SOUTHWEST AROUND 6 MPH IN THE EVENING
BECOMING VARIABLE 2 TO 5 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....85 TO 93.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........40 TO 50 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 5 MPH BECOMING SOUTHWEST 6 TO 8
MPH IN THE AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS AROUND
90. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 90. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 90. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
CAZ243-181015-
SAN DIEGO COUNTY COASTAL AREAS-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY CLOUDY. PATCHY
DENSE FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....63 TO 69.
24 HR TREND......UP 1 DEGREE.
MAX HUMIDITY........85 TO 95 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS NORTHWEST 6 TO 10 MPH WITH GUSTS TO 20
MPH IN THE EVENING BECOMING VARIABLE 3 TO 6
MPH.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY...BECOMING PARTLY CLOUDY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....76 TO 86.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........50 TO 60 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 10 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY CLOUDY. PATCHY
FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....64 TO 69.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85 TO 95 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 8 MPH IN THE EVENING BECOMING
VARIABLE 2 TO 5 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY...BECOMING PARTLY CLOUDY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....77 TO 86.
24 HR TREND......UP 2 DEGREES.
MIN HUMIDITY........55 TO 65 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS NORTHWEST 6 TO 9 MPH.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
IN THE UPPER 60S. LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. HIGHS IN
THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
CAZ250-181015-
SAN DIEGO COUNTY INLAND VALLEYS-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....63 TO 70.
24 HR TREND......UP 1 DEGREE.
MAX HUMIDITY........80 TO 90 PERCENT.
24 HR TREND......DOWN 10 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 8 MPH IN THE EVENING BECOMING
VARIABLE 2 TO 5 MPH.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....84 TO 89 IN THE WESTERN VALLEYS TO 92 TO 97
NEAR THE FOOTHILLS.
24 HR TREND......UP 3 DEGREES.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 10 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....64 TO 72.
24 HR TREND......UP 1 DEGREE.
MAX HUMIDITY........80 TO 90 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST AROUND 6 MPH IN THE EVENING BECOMING
VARIABLE 2 TO 4 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY SUNNY. PATCHY
FOG IN THE MORNING.
MAX TEMPERATURE.....85 TO 90 IN THE WESTERN VALLEYS TO 93 TO 98
NEAR THE FOOTHILLS.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS WEST 9 MPH.
CWR (>0.10 IN)......1 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS IN THE
LOWER 90S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90.
CAZ248-181015-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....64 TO 70.
24 HR TREND......UP 2 DEGREES.
MAX HUMIDITY........55 TO 65 PERCENT.
24 HR TREND......DOWN 15 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 10 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING VARIABLE 2 TO 5 MPH.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....94 TO 101.
24 HR TREND......UP 2 DEGREES.
MIN HUMIDITY........20 TO 25 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST 10 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....65 TO 71.
24 HR TREND......UP 2 DEGREES.
MAX HUMIDITY........55 TO 65 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS WEST 9 MPH IN THE EVENING BECOMING
VARIABLE 1 TO 3 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....95 TO 103.
24 HR TREND......UP 1 DEGREE.
MIN HUMIDITY........20 TO 25 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST 10 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S.
CAZ255-256-181015-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....50 TO 60 ABOVE 6000 FEET TO 61 TO 71 BELOW 6000
FEET.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........25 TO 35 PERCENT ON DESERT SLOPES TO 35 TO 45
PERCENT ON COASTAL SLOPES.
24 HR TREND......DOWN 10 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 11 MPH. GUSTS TO 20 MPH IN THE
EVENING.
RIDGETOP.........WINDS SOUTHWEST AROUND 6 MPH BECOMING SOUTH 6
TO 8 MPH AFTER MIDNIGHT.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY...BECOMING PARTLY CLOUDY.
MAX TEMPERATURE.....78 TO 88 ABOVE 6000 FEET TO 84 TO 94 BELOW 6000
FEET.
24 HR TREND......DOWN 2 DEGREES.
MIN HUMIDITY........15 TO 25 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS SOUTH 6 TO 12 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
RIDGETOP.........WINDS SOUTH 6 TO 12 MPH.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....51 TO 61 ABOVE 6000 FEET TO 62 TO 72 BELOW 6000
FEET.
24 HR TREND......UP 4 DEGREES.
MAX HUMIDITY........25 TO 35 PERCENT ON DESERT SLOPES TO 40 TO 50
PERCENT ON COASTAL SLOPES.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 9 MPH. GUSTS TO 20 MPH IN THE
EVENING.
RIDGETOP.........WINDS WEST 6 TO 9 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....79 TO 89 ABOVE 6000 FEET TO 85 TO 95 BELOW 6000
FEET.
24 HR TREND......UP 1 DEGREE.
MIN HUMIDITY........20 TO 25 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS SOUTHWEST 6 TO 13 MPH. GUSTS TO 20 MPH IN
THE AFTERNOON.
RIDGETOP.........WINDS SOUTHWEST 6 TO 13 MPH.
CWR (>0.10 IN)......1 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 60S.
LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 6 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. LIGHT
WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 80S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
CAZ258-181015-
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....64 TO 74.
24 HR TREND......UP 3 DEGREES.
MAX HUMIDITY........35 TO 45 PERCENT ON DESERT SLOPES TO 40 TO 50
PERCENT ON COASTAL SLOPES.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 11 MPH WITH GUSTS TO 20 MPH
BECOMING NORTHEAST AROUND 6 MPH AFTER MIDNIGHT.
RIDGETOP.........WINDS WEST 6 TO 11 MPH. GUSTS TO 20 MPH IN THE
EVENING.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....88 TO 98.
24 HR TREND......UP 3 DEGREES.
MIN HUMIDITY........15 TO 20 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 11 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
RIDGETOP.........WINDS WEST 6 TO 11 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....65 TO 75.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........30 TO 40 PERCENT ON DESERT SLOPES TO 40 TO 50
PERCENT ON COASTAL SLOPES.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 10 MPH WITH GUSTS TO 20 MPH BECOMING
NORTHEAST 6 MPH AFTER MIDNIGHT.
RIDGETOP.........WINDS WEST 6 TO 9 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....88 TO 98.
24 HR TREND......UP 1 DEGREE.
MIN HUMIDITY........15 TO 20 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........
SLOPES...........WINDS WEST 9 MPH. GUSTS TO 20 MPH IN THE
AFTERNOON.
RIDGETOP.........WINDS WEST 9 MPH.
CWR (>0.10 IN)......2 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. LIGHT
WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT
WINDS.
FRIDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. LIGHT
WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 90S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90.
SUNDAY NIGHT
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS AROUND 70.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
CAZ257-181015-
SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....62 TO 71.
24 HR TREND......UP 3 DEGREES.
MAX HUMIDITY........50 TO 60 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 8 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
RIDGETOP.........VARIABLE 1 TO 3 MPH.
CWR (>0.10 IN)......0 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....89 TO 99.
24 HR TREND......UP 3 DEGREES.
MIN HUMIDITY........20 TO 30 PERCENT.
24 HR TREND......DOWN 10 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS WEST 6 TO 9 MPH.
RIDGETOP.........VARIABLE 2 TO 5 MPH BECOMING WEST AROUND 6 MPH
IN THE AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....63 TO 72.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........55 TO 65 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS SOUTHWEST 8 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 4 MPH.
RIDGETOP.........VARIABLE 1 TO 3 MPH.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....90 TO 100.
24 HR TREND......UP 4 DEGREES.
MIN HUMIDITY........20 TO 30 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........
SLOPES...........UPSLOPE 2 TO 5 MPH BECOMING SOUTHWEST 6 TO 9
MPH IN THE AFTERNOON.
RIDGETOP.........VARIABLE 2 TO 4 MPH BECOMING WEST AROUND 6 MPH
IN THE AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT
WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90.
CAZ260-181015-
VICTOR VALLEY-APPLE VALLEY-LUCERNE VALLEY-JOHNSON VALLEY-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....67 TO 76.
24 HR TREND......UP 8 DEGREES.
MAX HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS WEST 6 TO 14 MPH WITH GUSTS TO 25 MPH.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....97 TO 104.
24 HR TREND......UP 2 DEGREES.
MIN HUMIDITY........10 TO 15 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST 6 TO 8 MPH BECOMING SOUTH 6 TO 13
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....67 TO 77.
24 HR TREND......DOWN 5 DEGREES.
MAX HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......DOWN 5 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST 6 TO 13 MPH. GUSTS TO 25 MPH IN
THE EVENING.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....99 TO 105.
24 HR TREND......UP 1 DEGREE.
MIN HUMIDITY........10 TO 15 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS WEST 6 TO 14 MPH. GUSTS TO 25 MPH IN THE
AFTERNOON.
CWR (>0.10 IN)......0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 102. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 100. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 90S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.
CAZ261-262-265-181015-
COACHELLA VALLEY-
INCLUDING THE PALM SPRINGS SOUTH COAST DESERT DISTRICT-
SAN DIEGO COUNTY DESERTS-
INCLUDING THE ANZA BORREGO DESERT STATE PARK-
SAN GORGONIO PASS NEAR BANNING-
106 PM PDT MON AUG 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....80 TO 89.
24 HR TREND......DOWN 1 DEGREE.
MAX HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......DOWN 10 PERCENT.
WIND (20 FT)........WINDS NORTHWEST 8 TO 18 MPH WITH GUSTS TO 25
MPH.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....107 TO 112.
24 HR TREND......UP 1 DEGREE.
MIN HUMIDITY........15 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS NORTHWEST 6 TO 14 MPH BECOMING SOUTHEAST
7 TO 17 MPH IN THE AFTERNOON. GUSTS TO 20 MPH.
CWR (>0.10 IN)......1 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....81 TO 90.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......LITTLE CHANGE.
WIND (20 FT)........WINDS NORTHWEST 6 TO 16 MPH. GUSTS TO 25 MPH IN
THE EVENING.
CWR (>0.10 IN)......0 PERCENT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....105 TO 110.
24 HR TREND......DOWN 2 DEGREES.
MIN HUMIDITY........20 PERCENT.
24 HR TREND......UP 5 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST 9 MPH.
CWR (>0.10 IN)......1 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 80S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 108. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 80S. LIGHT
WINDS.
FRIDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 108. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 109. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 80S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 108.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 80S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 107.
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